I faced the problem that I could not convert simple java project to wtp project in eclipse. I asked Dr.Google, then he gave me an answer :). Please see the below article. This is exactly what I wanted to know!! How to convert Java Project to Web Project in Eclipse Quick Tips You should check .project file if your project is not what you expect. eclipse determine the project style by the natures section in the file. You should use Navigator window, if you would like to see the files which starts ".".